I don't usually have headache migraines but do have strong visual auras from time to time. Looking at this it first looked fun: "whoa, that's cool, this fovea

I don't usually have headache migraines but do have strong visual auras from time to time. Looking at this it first looked fun: "whoa, that's cool, this fovea thing is really smaller than I imagined" After a minute or so playing around I closed the window and then I noticed a form of retina persistence that looked eerily similar to an onset of a visual aura, as well as some faint but clear ear ringing, both typical symptoms of the migraines I experience. I immediately walked away from the computer and although dwindling it's still in effect 10min out.